BoxingScene.com has learned that WBC middleweight champion Julio Cesar Chavez Jr. (45-0-1, 31KOs) will begin training in Las Vegas on Monday. The Mexican fighter completed the first part of his training camp in his hometown of Culiacan, as he continues to work hard for the upcoming defense against Andy Lee (28-1, 20KOs) on the 16th of June in El Paso, Texas.